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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34324 · alive · Condition: fair · LC · Least Concern · Elevation: 50.6 m

Photos

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trunk branches leaf

Dimensions

14.11 mHeight
9.2 mTrunk height
33 cmTrunk diameter (DBH)
4.84 mCanopy height
7.02 mCanopy width
22.1 mCanopy circumference
39.37 m²Crown projection area
132.72 m³Crown volume
1Stems

Structure & risk

44.01Slenderness (H/D)
1.06Safety factor (default wind)
4.78 °Leaning angle
2.28 °Trunk lean angle
0.3Competition index
3.85 mTree protection zone
5.77 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
19.15 %Foliage transparency
2.02 %Dieback
67.69 %Crown density
99.71 %Crown light exposure ratio
34.29 %Live crown ratio
183.4 m²Leaf area
4.66Leaf area index (LAI)
1.39Leaf area / crown vol.

Ecosystem services

194.48 kgCarbon storage
33.22 kgCarbon sequestration / yr
87.79 kgOxygen production / yr
0.11 m³Avoided runoff
1.87 m³Water intercepted
2.19 m³Transpiration
1.85 m³Evaporation
11.42 m³Potential evapotranspiration
4.14 gCO removed / yr
16.34 gNO₂ removed / yr
35.25 gSO₂ removed / yr
10.29 gPM2.5 removed / yr
196.91 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

3565.1CAVAT value
13738.96Koch value
1502.85RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
70G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11d/4G u fextracted_street
7001G u fextracted_taxon i d
9.27Crown base height
14.11Live height

Clearances

ClearRoad clearance

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11d/4 · 2.962073, 101.672253 · Elevation 50.6 m